The Origin and Evolution of Earth Origin of Earth When the solar system settled into its current layout about 4.5 billion years ago, Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun. Earth has a central core, a rocky mantle, and Read more…
Solar Radiation, Heat Balance, and Temperature Solar Radiation Our earth receives almost all its energy from the sun in short wavelengths that are radiated back to space by the earth. As a result, the earth neither warms up nor does it get cooled over a period of time. The amount of Read more…
The Age of Satavahanas The Age of Satavahanas: According to most modern scholars the age of the Satavahana began in the late second century BCE and lasted until the early third century CE. In the Deccan and in central India, the Satavahanas succeeded the Mauryas although after a gap of Read more…
Post-Mauryan India and Central Asian Contacts Post-Mauryan India – time period (200 B.C. to 300 AD) The successors of Asoka were not able to keep the vast Empire intact, after the death of Asoka. The provinces started declaring themselves independent. Kalinga declared itself independent, and further Satavahanas established their independent Read more…
The Mauryan Empire With the foundation of the Mauryan Empire, political unity was achieved in India for the first time. Due to the accuracy of chronology and sources, the history writing of this era also becomes clear. The Mauryan dynasty was founded by Chandragupta Maurya who took advantage of the Read more…